we don't have that kind of capability in the federal government to add the deficit. so you have to open the door to private investment to do this job of rebuilding the power platform in the united states. >> host: and the technology aspect of that is? >> guest: technology aspect is manifold. and price performance improves every 18-24 mocks. in the last year we have gotten into the innovation cycle in batteries so by the end of 2020 electric vehicles will actually be price competitive with grass-driven cars. the problem with these things is that we can't wait. we can't wait because of the environmental effects and we can't wait because we need the economy to grow quickly right now. so the book lays out a whole bunch of different ideas for bringing private investment much more quickly into the job of rebuilding the power grid. >> host: on this show, a series on the international power plant, and he doesn't necessarily agree that the internet is completely green or is terribly green. what is your thought? >> guest: he is right about that. people say that data centers in